Comparison

JIKAN vs Life Clock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

JIKAN

Features
Read full description

JIKAN is an app that counts down the days to your future events and counts up the time elapsed since your past milestones. Easily check at a glance how many days remain until your most important anniversaries or the day you achieve your goals. The name "JIKAN"—the Japanese word for "Time"—was chosen to reflect our mission: to help you cherish your life and make every passing moment count. Key Features: Event Countdown: Displays the time remaining until your next big event in days, hours, minutes, and seconds. Customization: Personalize your experience by setting your favorite photos as event backgrounds. Past Event Tracker (Count-up): See exactly how much time has passed since a completed event or a special memory. Life Timer: By simply entering your birthday, visualize how much time remains in your journey (calculated up to age 80). Smart Notifications: Receive regular push notifications to stay updated and inspired as your events approach. Widget: View your event at a glance Whether you’re looking for a new Countdown Buddy to track life’s milestones or a reliable Days Since counter for your achievements, JIKAN is the perfect alternative to apps. More than just a simple Countdown Timer, JIKAN allows you to visualize your life and goals in a meaningful way. With our sleek Countdown function, Experience the best Countdown and Countdown app designed to help you cherish every second. EULA: https://docs.google.com/document/d/1j3WhTs6xDQqjjrabhGbxQTaw0DEd_HROi8FFTo0wXcU/edit?usp=sharing

About

Life Clock

This app visualizes your remaining lifespan and the number of times you can enjoy your favorite activities. It uses widgets and notifications to help you appreciate each day and live more meaningfully.

Highlights
  • Automatic remaining lifespan calculation
  • Visualize 'how many more times' for activities
  • Lifespan widgets for home screen
  • Daily reminders for remaining days
  • Customizable target lifespan
Read full description

Life Clock visualizes your remaining lifetime based on your date of birth and target lifespan. It shows you how many days you have left and how many more times you can enjoy the things you love, helping you appreciate each day more meaningfully. With support for widgets and notifications, Life Clock is designed to help you naturally stay aware of your “life clock” throughout your daily routine. ーーーーーーーーーーーーーーーーーーーーーー App Features ーーーーーーーーーーーーーーーーーーーーーー ■ Automatic calculation of remaining lifespan Enter your date of birth and gender, and Life Clock calculates your remaining days and hours using statistical average lifespan data. ■ Visualize “how many more times” you can do things Whether it’s eating bread, traveling, dining out, attending events, or habits you enjoy, the app shows how many more times you can experience them in your lifetime. ■ Lifespan widgets Display your remaining days or “how many more times” directly on your home screen, allowing you to stay mindful of your lifetime at any moment. ■ Daily reminders Receive custom notifications that remind you of your remaining days, supporting you in making the most of today. ーーーーーーーーーーーーーーーーーーーーーー In-App Purchases ーーーーーーーーーーーーーーーーーーーーーー ● Premium Features Removes ads Unlocks all features ● Cancellation & Refunds Cancellations and refunds are not available after purchase. Please review the Terms of Use before subscribing.

Screenshots

JIKAN4 screens
Life Clock4 screens

Verdict

The call

The clearest difference is update cadence: Life Clock at every 3 days against JIKAN's monthly. JIKAN's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. JIKAN sells 3 in-app purchases, starting at $4.99 per month and Life Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

JIKAN ships an update monthly, Life Clock every 3 days. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 5 level
JIKAN versus Life Clock: the parameters behind the verdict, then further details
ParameterJIKANLife Clock
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyMonthlyEvery 3 days — better
AdsYesYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better18.0
Further details — not scored
Size66 MB15 MB
Age rating4+4+
DeveloperYosuke OgataKengo Saito

In-app purchases

3 purchases

JIKAN

Subscriptions2
  • 【Monthly】Premium$4.991 Month
  • 【Annual】Premium$29.991 Year
One-time1
  • 【Life Time】Premium$29.99
1 purchases

Life Clock

One-time1
  • Premium Features$1.99

Questions

Is JIKAN free?
JIKAN is free to download, with in-app purchases available.
Is Life Clock free?
Life Clock is free to download, with in-app purchases available.
Do JIKAN or Life Clock have ads?
Both JIKAN and Life Clock show ads.
Which is updated more often, JIKAN or Life Clock?
JIKAN ships an update monthly, and Life Clock every 3 days. Most recently, JIKAN was updated on September 15, 2026 and Life Clock on September 9, 2026.

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